Year	% of GDP
1996	0.563239991664886
1997	0.638729989528656
1998	0.646889984607697
1999	0.749629974365234
2000	0.893159985542297
2001	0.940330028533936
2002	1.05786001682281
2003	1.12037003040314
2004	1.21498000621796
2005	1.30791997909546
2006	1.36854004859924
2007	1.37369000911713
2008	1.44591999053955
2009	1.66480004787445
2010	1.7137199640274
2011	1.78033995628357
2012	1.91214001178741
2013	1.99785995483398
2014	2.02242994308472
2015	2.05700993537903
2016	2.10033011436462
2017	2.11602997779846
2018	2.14057993888855
2019	2.2446300983429
2020	2.40666007995605
2021	2.4326000213623